Along with diesel, manufacturers are looking ahead at alternative-fuel engine solutions, including propane, natural gas, and hydrogen. “The X15N big bore natural gas engine is essential to our ...
Roush CleanTech said it has developed the first available propane autogas engine certified to California Air Resources Board’s optional low oxides of nitrogen emissions standard for heavy-duty engines ...
ROUSH CleanTech is first OEM to receive CARB’s 0.02 grams per brake horsepower-hour (g/bhp-hr) certification for 2022 model year. The company’s propane engine is 90% cleaner than national emissions ...
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